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In 1920, although electric vehicles were not used on the American farms about 5,000 electric industrial trucks were produced by 12 American manufacturers, while estimates of the total fleet ranged from 6,000 to 15,000, most of them built during the war. Most used an exchange charging system. Among the manufacturers seen in and around cities and towns were the Commercial Truck Company, the Lansden Company, the Walker Vehicle Company (now owned by Commonwealth Edison), the Ward Motor Vehicle Company, the Steinmetz Electric Motor Corporation, Walter Motor Truck Company, and the Baker R L Corporation.One step away from agriculture, Charles A. Ward of New York City, was head of his family’s baking company, made up of the Mackey Company, the Ward Corby Company, the Ward Bread Companyand the Ohio Baking Company of Cleveland. In 1911, Ward had decided to replace his horse-drawn delivery vehicles with electric trucks, thus doing away with the unsanitary stable hitherto part of or adjacent to bakery.¹

Alongside this, the challenge of using stationary electric agricultural machines continued to be met. Two innovations which entered into dairy farming were the milk cream electric centrifugal separator and the surge milker. The Babson brothers (Henry, Fred and Gus) of Chicago were friends of and dealers for electrical battery inventor and entrepreneur Thomas Edison, and importers of Belgian-made Méllote separators. In 1916, the Babsonsproduced their own Pine Tree milking machine. While the overall design was similar to others, the electrically powered Pine Tree Pulsator outperformed any other pulsator made. These machines were powered by a 32-volt Delco system with 12 batteries near the barn. Pine Tree Pulsators were simple enough that the farmer could maintain them himself. The Pine Tree Pulsator was patented in 1921. The problem with this unit was that it was difficult to keep clean.

The domestication of oxen in Mesopotamia and the Indus Valley Civilization, perhaps as early as the 6th millennium B.C. provided mankind with the draft power necessary to develop the early plough into the larger, animal-drawn true ard (or scratch plough). Some of the earliest evidence of ploughing from around 2800 B.C.was found at the Indus Valley site of Kalibangan. Subsequent archaeological finds in Prague, Czech Republic, push the oldest known ploughed field even further back to 3500-3800 B.C. All food produce was planted and harvested by hand: seeds were scattered by hand and planted grains were brought from the field to be threshed on the dooryard. Milking a small herd of cows or goats was also done by hand. This continued for centuries. Then man discovered electricity.

In 1746, just a few years before Benjamin Franklin of Philadelphia sent a kite to catch lightning in a storm, a Doctor von Maimbray gave talk to the Royal Society of London where he described his experiment of electrifying the myrtle bush (Morella cerifera) which then put forth new branches in October, something which had never happened before. This news inspired others in Europe to carry out similar experiments. In 1749, Abbot Jean Antoine Nollet of the Royal Academy of Sciences in Paris France, inventor of the electroscope, published a pamphlet on “The Harmful Effects or Advantageous of Electrical Phenomena on Plants.”¹Isolated experiments continued until in 1783 Father Pierre Bertholon de Saint-Lazare of Montpellier published “About the Electricity of Plants”, a work in which he dealt with the effect of atmospheric electricity on plants, taking in their medicinal and nutritive-electrical virtues and but in particular the practical means of applying it usefully to agriculture.²He even built an electro-vegetometer, a device for collecting atmospheric electricity to distribute it in the soil and then to the plants, but he met with little success. Bertholon also conceived of subjecting plants to “electric rain” by connecting a large syringe to an electric source. A gardener, standing on a slab of insulating material in a wagon, carried a sprinkling can electrified by means of a wire leading to a static machine. “By means of this process, strange for the times, the good Abbé Bertholon, who was considered something of a sorcerer, obtained lettuces of an extraordinary size.”3

1. GENERAL INFORMATION

India’s exports of Processed Food was Rs. 31563.43 Crores in 2014-15, which includes products like Mango pulp (Rs. 841.39 Crores), Dried and Preserved vegetable (Rs. 847.11 Crores), Other Processed Fruit and Vegetable (Rs. 2,569.93 Crores), Pulses (Rs. 1,209.51 Crores), Groundnuts (Rs. 4,675.35 Crores), Guargum (Rs. 9,480.00 Crores), Jaggery and Confectionary (Rs. 1,161.81 Crores), Cocoa Products (Rs. 848.62 Crores), Cereal Preparations (Rs. 3,038.79 Crores), Alcoholic and Non-Alcoholic Beverages (Rs. 2,231.58 Crores) and Miscellaneous Preparations (Rs. 2,437.77 Crores).

1. GENERAL INFORMATION!

Major constraint of medicinal plants: Lack of genuine planting material.

Maximum number of medicinal plants belong to family Asteraceae.

Maximum demand in world market: 1. Senna leaves 2. Isabgol seeds 3. Cassia tora seeds.

India is largest producer of 1. Kewada oil 2. Senna 3. Davana oil 4. Isabgol.

India is 2^nd largest producer of 1. Opium latex 2. Jasmine concrete 3. Tuberose concrete

India is 3^rd largest exporter of periwinkle.

Thailand is largest exporter of sarpagandha leaves.

China is largest producer of 1. Geranium oil 2. Citronella oil.

1. GENERAL INFORMATION

Asian continent, particularly India is known as “Land of Spices”.

Spice crops are largely grown in tropics between 20⁰N and 20⁰S.

Term ‘spice’ was derived from Latin ‘Species aromatacea’ means ‘Fruits of the earth’.

Spices and condiments are grouped under food adjuncts.

India is largest producer of spices and oleoresin.

Home of spices/ Spice bowl of India: Kerala.

1. GENERAL INFORMATION

International Group for the Genetic Improvement of Cocoa (INGENIC) formed in 1993.

Central Coconut Research Station (presently CPCRI) was established in 1940.

Central Plantation Crops Research Institute (CPCRI), Kasargod, Kerala established in 1970.

CPCRI hosts International Coconut Gene Bank for South Asia under the umbrella of Coconut Genetic Resources Network (COGENT) of the Biodiversity International.

National Active Germplasm Site for coconut: CPCRI.

United Planter’s Association of Southern India (UPASI) started in 1893.

Branch of International Rubber Association was established in 1948 at Kottayam, Kerala. It was renamed as Indian Rubber Institute in 1987.

Rubber Research Institute of India, Kottayam established in 1995.

1. GENERAL FLORICULTURE

Development of Floriculture’ was recommended by Dr. P.P. Trivedi committee.

India ranks 2^nd in flower cultivation next to China.

The production of loose flowers almost tripled between the 8^th Plan and the 11^th Plan.

The annual domestic demand is valued at around 60 billion USD.

About 2,33,000 hectares across the country was used for floriculture, producing 17,29,000 metric tonnes (MT) of loose flowers and 76,732 lakh cut flowers.

India has exported 22,947.23 MT of floriculture products to the world for worth of Rs. 460.75 crores in 2014-15.

The share of exports of dried flowers and plant parts are 45%, flowering plants (22%), fresh foliage (13%), fresh cut flowers (10%), live plants (7%) and bulbs and tubers (3%).

India’s share in global floriculture trade- 0.6%.

1. General Olericulture

Olericulture is Latin term ‘Olerus’ meaning herb.

China, India, USA, Turkey and Italy: Major vegetable producers.

Indian subcontinent has 80 species of major and minor vegetables apart from several wild species consumed as vegetable.

About 175 different types of vegetables are grown in India, includes 82 leafy vegetables and 41 root (tuber and bulb) crops.

Cucurbits, taros, yams, brinjal and okra have rich diversity in Indian gene centre.

USA is leading importer of cucumber and gherkins, assorted canned vegetables and other dehydrated vegetables from India.

Germany leads in import of preserved onion, green pepper in brine and dehydrated onion flakes/powder.

Singapore leads in import of dried asparagus; Japan in dehydrated garlic flakes; UAE in dehydrated garlic powder; Bangladesh in peas and Switzerland in dried mushrooms including morels.

Mizoram is the largest producer of chow chow.

1. GENERAL POMOLOGY

Word pomology: Derived from Greek word ‘pome’ meaning development of fruit from inferior ovary and ‘logos’ meaning to study.

Father of systematic pomology: De Candolle.

Temperate fruits are popularly known in India as hill fruits or cold region fruits.

India ranks 1^st in productivity of grapes, banana and papaya.

Ratio of Chlorophyll a to chlorophyll b is highest in C⁴ plants.

Gibberellic acid is enhanced by exposing plants to red light.

The life line tree of ‘Thar Desert’ is Prosopis cineraria.

Grape of the desert is Salvadora oleoides.

The increasing awareness of the deleterious effects of indiscriminate use of chemical fertilizers and pesticides in agriculture has led to the adoption of organic farming as an alternative method for conventional farming world-wide. It is gaining gradual momentum across the world and the growing awareness of organic food which is emerging as an attractive source of rural income generation especially in integrated farming systems.

In north west India where rice-wheat, cotton-wheat and pearl millet-wheat cropping systems are most prevalent. But now, these cropping systems are not proving farmers’ friendly due to higher water requirement, declining yield, susceptibility to insects and pests and adverse effect on soil health. Moreover, in the new millennium with the growing demand of agricultural commodities in national as well as international market due to ever increasing population and globalization, Indian farmers are forced to produce higher quantum of quality agricultural commodities at low cost from shrinking land and natural resources.

Mungbean - wheat cropping system requires less water and hence, can be grown in areas where water availability is limited in addition to beneficial effect of mungbean to supply N to the succeeding wheat crop which are favorable for organic farming. Wheat (desi) also known as tall wheat requires less water and is very responsive to low doses of nutrients. The dwarf wheat grown by farmers with the application of chemicals in the form of fertilizers, weedicides, insecticides and pesticides is not preferred by people and therefore, the demand of organic wheat is rising fast in national and international market. This cropping system can be taken successfully in farming systems for higher monetary returns.

There is need to shift a portion of cultivable land with organic farming as an alternate practice technique. Organic farming gives emphasis on sustainability, environmental safety and low cost production techniques over chemical farming. Keeping the issues of 21^st century agriculture in view following aspects also shows importance of organic farming: Reduce the toxic load; keep chemicals out of the air, water, soil and our bodies; reduce if not eliminate off farm pollution; protect future generations; build healthy soil; taste better and truer flavor; assist farmers of all sizes; promote biodiversity; celebrate the culture of agriculture etc.

Agriculture has under gone drastic changes from the mid 1960s through the introduction and application of various newly developed techniques in agro science such as crop and water management practices, Emphasis has been given to be integrated system approach in crop production.

It is essential to plan and implement rational policies to minimize the regional imbalances of agricultural production. The present growth in crop production has to be sustained considering ecological and economic factors. The existing as well as emerging frontiers must be examined to enhance agricultural growth on a sustainable basis. The understanding of agroclimatic relationship through crop weather conditions, soil fertility, water use efficiency, rain water management and appropriate cropping patterns based on regional resources potential must be emphasized more over agro forestry, integrated crop management, biotechnology and use of renewable energy must be emphasized for use in environmentally harmonious agriculture. Training of farmers has to be adapted to be changing technological environment.

The forest affects soil and water in many ways. Leaves and branches decreases wind strength, alter the absorption of solar radiation, and increase the surface area for evaporation. The root growth and the decomposition of plant organic matter by soil fauna and microbes, modify soil texture and structure, affecting water penetration and drainage. Changes in vegetation cover can therefore have a significance influence on the hydrological cycle and climate system.

The study area consists of the state of Punjab, Haryana, Himachal Pradesh and Jammu & Kashmir. On the basis of physiographic and soil resources, this zone is clearly divisible into two sub zones; the plains of Punjab and Haryana and the highlands. Based on altitude soil type, geology, and rainfall each of these two sub zones may be further subdivided. Major sources of water in the region, in addition to rainfall and river, are lakes and ice crops of glaciers and undergrounds springs. Under ground water is largely concentrated in the plains of Punjab and Haryana. The region covers a varied land use, from highly intensive monocultures through rotational and intercropping to grazed rangeland and near natural forests.

Pre-dominant farming systems in various regions of India

The quick survey conducted as a part of characterization of existing farming systems throughout the country indicates existence of 19 pre-dominant farming systems with majority as crop + livestock (85%). Although crop + livestock system is dominating in the country, based on the per cent contribution to net income, the systems are classified as crop, horticulture, livestock, fisheries dominant systems where in dominant component contributes more than 50% of the total net returns. Accordingly, it was found that crop dominant farming systems are existing in the states of Andhra Pradesh, Bihar, Chhattisgarh, Goa, Haryana, Jammu and Kashmir, Jharkhand, Kerala, Karnataka, Madhya Pradesh, NorthEast, Maharashtra, Orissa, Punjab, Tamil Nadu, Uttar Pradesh and Uttaranchal while livestock dominant systems are present in Rajasthan and Parts of Gujarat. West Bengal, parts of Odisha and Assam states have the fisheries as a major source of income to the existing farming systems. The scope for promotion of horticulture (fruit) based systems exists in Jammu and Kashmir, Himachal Pradesh, Maharashtra, parts of Uttar Pradesh and in Sikkim while plantation dominant systems are available in Andaman and Nicobar Islands and Kerala. In selected states and locations, highly diversified systems also exists where in none of the component contributes for 50% or more to the returns. The characterization survey data of existing farming systems in different states/zones are being interpreted and brought out in the form of National Atlas on Farming Systems. Though the various farming systems exists in the country, integration of input and output within the system is either completely lacking or at partial integration. Competition exists within and outside the farm for various byproducts generated. Cow dung is the best example as dung is required for improving the fertility of soil and meeting the household fuel. Hence, synergy needs to be made by appropriate allocation for making farming as a profitable option. Sustainable farming systems should aim for long term productivity, profitability, recycling of resources and employment generation. The monetary returns under different farming systems practiced in different parts of the country are given in Fig 1. Among the various existing systems in the country, coconut +banana+ cocoa +pineapple + nutmeg (FS9) gives the higher return of Rs 1.27 lakhs/annum.

Resource use efficiency in Indian agriculture

Resource use efficiency in agriculture is defined to include the concepts of technical efficiency, allocative efficiency and environmental efficiency. Public investment, subsidies and credit for agriculture are used in an efficient manner. There are large scale inter regional as well as inter farm variations in factor productivity due to varying influence of different factors in different regions. A number of management factors such as timeliness and method of sowing, transplanting, irrigation and application of right doses of inputs and input mix play an important role in influencing inter-farm variation in crop productivity. Growing marginalization and fragmentation of land holdings coupled with rising incidence of informal tenancies and poor rural infrastructure such as road, electricity, markets and education affect factor productivity. The availability of good quality irrigation water coupled with flexibility of irrigation and drainage system and appropriate methods of application as well as pricing of irrigation water is crucial for sustainable use of land and water resources.

The stochastic frontier production function to analyse the resource use efficiency of urban farmers in Uyo, Southeastern Nigeria was done. The result shows that 65% of urban farmers were 70% technology efficient; maximum efficiency is 0.91, while minimum efficiency in urban farm is 0.43.

The classification of the farming systems of developing regions may be based on the following criteria:

• Available natural resource base, including water, land, grazing areas and forest; climate, of which altitude is one important determinant; landscape, including slope; farm size, tenure and organization; and
• Dominant pattern of farm activities and household livelihoods, including field crops, livestock, trees, aquaculture, hunting and gathering, processing and off-farm activities; and taking into account the main technologies used, which determine the intensity of production and integration of crops, livestock and other activities.

Integration of Enterprises

In agriculture, crop husbandry is the main activity. The income obtained from cropping is hardily sufficient to sustain the farm family throughout year. Activities such as dairying, poultry, fish- culture, sericulture, biogas production, edible mushroom cultivation, agro- forestry, agri- horticulture etc. assume critical importance in supplementing their farm income. Assumed regular cash flow is possible when cropping is combined with other enterprises. Judicious combination of enterprises keeping in view of the environment condition of a locality will pay grater dividends. At the same time it will promote effective recycling of residues/ wastes.

Integrated farming system seems to be the answer to the problems of increasing food production. For increasing income and for improving nutrition of the small scale farmers with limited resources without any adverse effect on environment and agro- eco-system. In a cropping system the amount of by products can be as high as or higher than marketable produce. This may go to waste if not utilized in an animal waste component and to reduce the cost of production of the economic produce of component two and finally to entrance the net income of the farm is whole.

Livestock is the best complementary enterprises with cropping, especially during the adverse years. Installation of a biogas plant in crop- livestock system will make use of the wastes, at the same time provides valuable manure and gas for cooking and lighting.

What is a system?

A group of interacting components, operating together for a common purpose, capable of reacting as a whole to external stimuli is called a system. It is not affected directly by its own outputs, having a specified boundary based on inclusion of all significant feedbacks. Human body is a system with a boundary (e.g., the skin) enclosing a number of components (heart, lungs) that interact (the heart pumps blood to the lungs) for a common purpose (to maintain and operate the living body). Collection of unrelated items does not constitute a system. A bag of pebbles is not a system because with addition or removal of a pebble, a bag of pebbles remains and is almost not affected completely by that change. Pebbles behave as a whole if the whole bag is influenced, for example by dropping it; the constituent parts go their own ways with its bursting. It is the property of the system that mainly matters and it may be summarized in the phrase ‘behaviour as a whole in response to stimuli to any portion’.

Low External Input Agriculture (LEIA)

It is a form of agriculture wherein the use of external inputs including chemical inputs is minimized and production is kept sustainable. It uses synthetic fertilizers or chemical pesticides below rates commonly recommended by the Extension workers. There is no elimination of these materials. Any system that reduces purchased chemical inputs can be called low-input farming. Yields are maintained through greater emphasis on crop rotation, crop residues, animal manures, biofertilizers, IPM, IWM and utilization of on-farm resources and management. Locally available resources are used by maximizing the complementary and synergistic effects of different components of the farming systems. There is use of external inputs in a complementary way. Main advantages of this type of agriculture are:

Conservation agriculture (CA) defined as minimal soil disturbance (no-till) and permanent soil cover (mulch) combined with rotations is a recent agricultural management system that is gaining popularity in many parts of the world. Cultivation is defined by the Oxford English dictionary as “the tilling of land”, “the raising of a crop by tillage” or “to loosen or break up soil”. Other terms used in this dictionary include “improvement or increase in (soil) fertility”. All these definitions indicate that cultivation is synonymous with tillage or ploughing.

The other important definition that has been debated and defined in many papers is the word “sustainable”. The Oxford dictionary defines this term as “capable of being borne or endured, upheld, defended, maintainable”. Something that is sustained is “kept up without intermission or flagging, maintained over a long period”. This is an important concept in today’s agriculture since the human race will not want to compromise the ability of its future offspring to produce their food needs by damaging the natural resources used to feed the population today.

Agriculture has been the base of subsistence for human settlements on the planet earth. According to the Food and Agricultural Organization (FAO), people in the developing world where the population increase is very rapid, may face hunger if the global food production does not increase by 50–60%. Contribution from developing countries and developed countries to world production in 1975 was about 38% and 62%, respectively. If yield increase is keeping pace with increasing population, mass hunger can escape. In the preindependence period, Indian agriculture was usually described as a gamble with monsoons and their failures resulted in widespread famine and misery. In the last few decades, Indian agriculture has made a remarkable progress even with increased population and decreased per capita availability of agricultural land. World population is projected to be over 8 billion by 2025 and nearly 10.5 billion by the end of next century. To maintain the status quo, food production needs to be doubled. Estimates by the FAO and WHO (1992) and the Hunger Project (1991) suggest that around 1 billion people in the world have diets that are ‘too poor to abstain the energy required for healthy growth of children and minimal activity of adults’. The causes are complex and it is not entirely the fault of overall availability of food. Modern agriculture begins on the research farm, where researchers have access to all types of inputs for crops at all the appropriate times. But, even the best performing farms cannot match the yields of researchers. For high productivity, farmers need to have access to the whole package – improved seeds, water, labour, capital or credit, fertilizers, pesticides and other developed technology. Many poorer farming households simply cannot adopt the whole package. Very often delivery systems are unable to supply them on time.

The basic points that are to be considered while choosing appropriate enterprise in IFS are:

1. Soil and climatic features of an area/locality.
2. Social status of the family and social customs prevailing in the locality.
3. Economic condition of the farmer (Return/income from the existing farming system).
4. Resource availability at farm and present level of utilization of resources.
5. Economics of proposed IFS and credit facilities.
6. Farmer’s managerial skill.
7. Household demand.
8. Institutional infrastructure and technological knowhow.
9. Market facilities.